-
Federal
H11687: NOS Hydrographic Survey , Vicinity of Semidi Islands, Alaska, 2007-08-17
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
Shoreline Data Rescue Project of Semidi Islands, ALlaska, CS319B NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
These data were automated to provide an accurate high-resolution historical shoreline of Semidi Islands, ALlaska suitable as a geographic information system (GIS)... -
Federal
H11483: NOS Hydrographic Survey , Semidi Islands, Alaska, 2005-08-10
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
H11484: NOS Hydrographic Survey , Semidi Islands, Alaska, 2005-08-16
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe...